Talk to Asthma Specialist on Asthma Last 4 Year Severe Problem

sir I have being asthma last 4 years but no cough but nose blocked left side sometime I have done nose surgery suggest by doctor but allergy is no go away now I am very difficult in breathing even using inhaler if a use inhaler but it's work just 5 to 6 hours than same breathing problem again and again when they come back they way will be more dangerous and dangerous even rest talk and eat I am very disappointed about my life sir plz help me otherwise I do need that life and last option is suicide because I can't face these conditions day by day ?